:root {
  --bg: #f3f6ff;
  --bg-accent: radial-gradient(circle at 10% 5%, rgba(99, 102, 241, 0.15), transparent 40%), radial-gradient(circle at 90% 0%, rgba(14, 165, 233, 0.16), transparent 30%);
  --card: rgba(255, 255, 255, 0.92);
  --text: #111827;
  --muted: #6b7280;
  --primary: #4f46e5;
  --primary-soft: #e0e7ff;
  --danger: #dc2626;
  --border: #e5e7eb;
  --shadow: 0 8px 24px rgba(79, 70, 229, 0.12);
}

:root[data-theme='dark'] {
  --bg: #090d1b;
  --bg-accent: radial-gradient(circle at 10% 5%, rgba(79, 70, 229, 0.3), transparent 42%), radial-gradient(circle at 90% 0%, rgba(14, 165, 233, 0.26), transparent 35%);
  --card: rgba(17, 24, 39, 0.84);
  --text: #f3f4f6;
  --muted: #9ca3af;
  --primary: #818cf8;
  --primary-soft: #1f2944;
  --danger: #f87171;
  --border: #2a3448;
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  background-image: var(--bg-accent);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
  color: var(--text);
}

.app {
  max-width: 760px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.streak-line {
  margin: 12px 16px 0;
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 800;
  text-align: center;
  box-shadow: 0 8px 22px rgba(79, 70, 229, 0.18);
}

.cal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.cal-title {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.cal-weekdays {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
  margin-bottom: 6px;
  color: var(--muted);
  font-weight: 700;
  font-size: 12px;
  text-align: center;
}

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.cal-day {
  aspect-ratio: 1 / 1;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: color-mix(in oklab, var(--card) 92%, transparent);
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 8px;
  position: relative;
  cursor: pointer;
}

.cal-day.pad {
  opacity: 0.35;
  cursor: default;
}

.cal-date-num {
  font-weight: 800;
}

.cal-day.has-data.level-1 { background: color-mix(in oklab, var(--primary-soft) 55%, var(--card)); }
.cal-day.has-data.level-2 { background: color-mix(in oklab, var(--primary-soft) 75%, var(--card)); }
.cal-day.has-data.level-3 { background: color-mix(in oklab, var(--primary) 12%, var(--card)); }
.cal-day.has-data.level-4 { background: color-mix(in oklab, var(--danger) 18%, var(--card)); border-color: color-mix(in oklab, var(--danger) 50%, var(--border)); }

.cal-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--primary);
  position: absolute;
  right: 8px;
  bottom: 8px;
  opacity: 0.9;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 9999;
}

.modal-content {
  width: min(720px, 100%);
  max-height: 80vh;
  overflow: auto;
}

.edit-modal {
  width: min(520px, 100%);
}

.edit-items-wrap {
  display: grid;
  gap: 10px;
  margin-top: 8px;
}

.edit-item-row {
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 10px;
  align-items: center;
}

.italic { font-style: italic; }

.history-lines { margin-top: 8px; display: grid; gap: 4px; }

.history-switcher-wrap {
  margin-bottom: 12px;
}

.history-content-card {
  padding-top: 14px;
}

.history-tab-header {
  margin-bottom: 0;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
  gap: 10px;
}

.history-view-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 700;
  background: color-mix(in oklab, var(--card) 92%, transparent);
}

.history-view-tab .history-view-icon {
  font-size: 15px;
  line-height: 1;
  opacity: 0.9;
}

.history-view-tab.active {
  background: linear-gradient(135deg, color-mix(in oklab, var(--primary-soft) 82%, var(--card)), color-mix(in oklab, var(--primary) 8%, var(--card)));
  color: var(--primary);
  border: 1px solid color-mix(in oklab, var(--primary) 45%, var(--border));
  box-shadow: 0 8px 20px rgba(79, 70, 229, 0.16);
}


.history-date-group {
  margin-bottom: 24px;
}

.history-date-heading {
  margin-bottom: 10px;
  padding-left: 4px;
  font-size: 15px;
  color: var(--text);
}

.history-date-stack {
  display: grid;
  gap: 8px;
}

.history-entry-card {
  margin-bottom: 0;
}

.list-item-nested {
  margin-top: -8px;
  border-top: none;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
  background: color-mix(in oklab, var(--card) 98%, transparent);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: color-mix(in oklab, var(--card) 96%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-left,
.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar h1 { margin: 0; font-size: 22px; letter-spacing: -0.02em; }

.badge {
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 9px;
  border-radius: 999px;
}

.theme-toggle {
  min-width: 78px;
  height: 36px;
  border-radius: 999px;
  padding: 0 12px;
  font-size: 12px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--card) 85%, var(--primary-soft));
}

main { padding: 18px 16px 20px; flex: 1; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

.title { font-size: 18px; margin: 0 0 8px; }
.sub { color: var(--muted); margin: 0; }
.big { font-size: 34px; font-weight: 700; margin-top: 8px; color: var(--primary); }
.danger-text { color: var(--danger); }

.limit-card.critical {
  border: 2px solid color-mix(in oklab, var(--danger) 70%, var(--border));
  background: linear-gradient(180deg, color-mix(in oklab, #fee2e2 72%, var(--card)), color-mix(in oklab, var(--card) 94%, transparent));
  box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.22), 0 18px 36px rgba(220, 38, 38, 0.22);
  animation: limitCardPulse 1.2s ease-in-out infinite;
}

.warn-badge {
  display: inline-block;
  margin-top: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}
.warn-badge.danger { background: #fee2e2; color: #991b1b; }
.warn-badge.danger.critical {
  border: 1px solid #ef4444;
  box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.55);
  animation: criticalPulse 1s ease-in-out infinite;
}
.warn-badge.caution { background: #fff7ed; color: #9a3412; }

.row { display: flex; gap: 10px; flex-wrap: wrap; }

button {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  background: color-mix(in oklab, var(--card) 55%, #d1d5db);
  color: var(--text);
  font-weight: 600;
}
button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
}
button.primary { background: var(--primary); color: #fff; }
button.danger { background: #fee2e2; color: #991b1b; }
button.ghost { background: transparent; border: 1px solid var(--border); }

.btn-sm { font-size: 12px; padding: 6px 10px; border-radius: 8px; }

.history-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.history-main { flex: 1; min-width: 0; }
.history-actions { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; margin-top: 0; flex-shrink: 0; }

button.info-btn {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  padding: 0;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  border: 1px solid color-mix(in oklab, var(--primary) 30%, var(--border));
}

.info-inline { display: inline-flex; align-items: center; gap: 6px; }

.info-pop-inline {
  padding: 8px 10px;
  border-radius: 8px;
  background: color-mix(in oklab, var(--card) 90%, #f8fafc);
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--text);
  white-space: normal;
  line-height: 1.45;
  max-width: 360px;
}
.info-pop-inline .info-title { font-weight: 700; margin-bottom: 6px; }
.info-pop-inline ul { margin: 6px 0 0; padding-left: 16px; }
.info-pop-inline li { margin: 2px 0; }

input, select, textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  font-size: 15px;
  margin-top: 6px;
  background: color-mix(in oklab, var(--card) 94%, transparent);
  color: var(--text);
}

label { display: block; margin: 10px 0 6px; font-weight: 600; }
.emoji-row { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.emoji-btn { padding: 6px 9px; font-size: 18px; line-height: 1; }
.emoji-btn.active { background: var(--primary-soft); border: 1px solid color-mix(in oklab, var(--primary) 35%, var(--border)); }

.quick-add-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 6px;
}
.quick-add-grid button {
  width: 100%;
  text-align: center;
  font-size: 13px;
  padding: 9px 8px;
  white-space: nowrap;
}

.draft-chips {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.draft-chip {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  background: color-mix(in oklab, var(--card) 95%, transparent);
}
.draft-chip-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}
.draft-meta {
  min-width: 0;
  flex: 1;
}
.draft-meta strong {
  display: block;
  word-break: keep-all;
}
.draft-chip .btn-sm {
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.01em;
  flex-shrink: 0;
}
.draft-chip .btn-sm.danger {
  border: 1px solid color-mix(in oklab, #ef4444 55%, var(--border));
  background: color-mix(in oklab, #fee2e2 75%, var(--card));
  color: #b91c1c;
}
.draft-chip .btn-sm.danger:hover {
  background: #ef4444;
  color: #fff;
}
.draft-qty {
  display: block;
  margin-top: 2px;
  font-weight: 700;
}

.progress-wrap {
  background: color-mix(in oklab, var(--card) 45%, #d1d5db);
  border-radius: 999px;
  height: 10px;
  overflow: hidden;
  margin-top: 8px;
}
.progress { background: linear-gradient(90deg, #6366f1, #0ea5e9); height: 100%; width: 0%; }

.top-nav { display: flex; gap: 6px; }
.top-nav button { padding: 8px 12px; font-size: 13px; }

.date-actions {
  display: flex;
  gap: 6px;
}

.date-btn {
  padding: 8px 12px;
  font-size: 13px;
  min-height: 38px;
  background: var(--card);
  border: 1px solid var(--border);
}

.top-register-btn {
  padding: 8px 24px;
  min-height: 40px;
  font-size: 14px;
  font-weight: 700;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.22);
  white-space: nowrap;
}

.top-nav button.active,
.date-btn.active,
.alcohol-btn.active {
  background: var(--primary-soft);
  color: var(--primary);
  border: 1px solid color-mix(in oklab, var(--primary) 35%, var(--border));
}

.list-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 8px;
  background: color-mix(in oklab, var(--card) 95%, transparent);
}

.small { font-size: 13px; color: var(--muted); }
.unit-note { font-size: 14px; color: var(--muted); font-weight: 500; }
.empty { color: var(--muted); text-align: center; padding: 20px 0; }

.stats-row { margin-bottom: 12px; }
.stats-row-head { display:flex; justify-content:space-between; align-items:center; margin-bottom:6px; }
.stats-week-row { display:flex; align-items:center; gap:8px; margin-bottom:8px; }
.stats-day { width: 18px; font-weight: 600; color: var(--muted); }
.stats-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.stats-compare-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.stats-compare {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: color-mix(in oklab, var(--card) 94%, transparent);
}

.stats-compare-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.stats-delta {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  white-space: nowrap;
}

.stats-delta.up { color: #b91c1c; }
.stats-delta.down { color: #047857; }

.premium-card {
  border-color: color-mix(in oklab, var(--primary) 30%, var(--border));
  background: linear-gradient(180deg, color-mix(in oklab, var(--card) 96%, rgba(99, 102, 241, 0.06)), color-mix(in oklab, var(--card) 92%, transparent));
}

.premium-hero {
  background:
    radial-gradient(circle at top right, color-mix(in oklab, var(--primary) 20%, transparent), transparent 34%),
    linear-gradient(180deg, color-mix(in oklab, var(--primary-soft) 60%, var(--card)), color-mix(in oklab, var(--card) 92%, transparent));
}

.premium-hero-head,
.section-head-inline {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.section-side-note {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-align: right;
}

.premium-risk {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  border: 1px solid transparent;
}

.premium-risk.low { background: rgba(34, 197, 94, 0.14); color: #15803d; border-color: rgba(34, 197, 94, 0.22); }
.premium-risk.mid { background: rgba(245, 158, 11, 0.16); color: #b45309; border-color: rgba(245, 158, 11, 0.26); }
.premium-risk.high { background: rgba(239, 68, 68, 0.16); color: #b91c1c; border-color: rgba(239, 68, 68, 0.26); }

.premium-locked {
  background: linear-gradient(180deg, color-mix(in oklab, var(--primary-soft) 65%, var(--card)), color-mix(in oklab, var(--card) 96%, transparent));
}

.premium-hero-grid,
.premium-chip-row,
.risk-badge-grid,
.premium-month-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.premium-hero-metric,
.premium-chip,
.risk-badge {
  border: 1px solid color-mix(in oklab, var(--primary) 18%, var(--border));
  border-radius: 14px;
  padding: 12px;
  background: color-mix(in oklab, var(--card) 92%, rgba(255,255,255,0.25));
}

.premium-hero-metric span,
.risk-badge span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  font-weight: 700;
}

.premium-hero-metric strong,
.risk-badge strong {
  display: block;
  margin-top: 6px;
  font-size: 24px;
  color: var(--text);
}

.premium-hero-metric em {
  display: block;
  margin-top: 6px;
  font-style: normal;
  font-size: 12px;
  color: var(--muted);
}

.premium-chip strong {
  display: block;
  margin-top: 4px;
  font-size: 14px;
}

.risk-badge.warn { border-color: rgba(245, 158, 11, 0.32); }
.risk-badge.danger { border-color: rgba(239, 68, 68, 0.32); }
.risk-badge.safe { border-color: rgba(34, 197, 94, 0.28); }

.premium-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.premium-stat {
  margin-bottom: 0;
}

.premium-stat-wide {
  grid-column: 1 / -1;
}

.compare-day-legend {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 12px;
  margin-top: 10px;
}

.legend-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  margin-right: 6px;
}

.legend-dot.previous { background: #94a3b8; }
.legend-dot.current { background: var(--primary); }
.legend-dot.goal { background: #f59e0b; }

.compare-goal-track {
  height: 8px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--border) 82%, transparent);
  margin: 10px 0 14px;
  overflow: hidden;
}

.compare-goal-fill {
  height: 100%;
  background: linear-gradient(90deg, #fbbf24, #f59e0b);
}

.compare-day-list {
  display: grid;
  gap: 10px;
}

.compare-day-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 92px;
  gap: 10px;
  align-items: center;
}

.compare-day-meta strong,
.compare-day-value {
  display: block;
  font-size: 13px;
}

.compare-day-meta span,
.compare-day-value span {
  color: var(--muted);
  font-size: 12px;
}

.compare-day-bars {
  display: grid;
  gap: 6px;
}

.compare-bar-track {
  height: 10px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--border) 80%, transparent);
  overflow: hidden;
}

.compare-bar-fill {
  height: 100%;
  border-radius: inherit;
}

.compare-bar-track.previous .compare-bar-fill { background: linear-gradient(90deg, #cbd5e1, #94a3b8); }
.compare-bar-track.current .compare-bar-fill { background: linear-gradient(90deg, color-mix(in oklab, var(--primary) 55%, #8b5cf6), var(--primary)); }

.compare-day-value {
  text-align: right;
  font-weight: 700;
}

.compare-day-value.up,
.small.up { color: #b91c1c; }
.compare-day-value.down,
.small.down { color: #15803d; }

.stats-month {
  width: 68px;
  font-weight: 700;
  color: var(--muted);
  flex-shrink: 0;
}

.toast {
  position: fixed;
  top: 72px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(17, 24, 39, 0.92);
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  z-index: 9999;
  box-shadow: 0 6px 18px rgba(0,0,0,.2);
  display: flex;
  align-items: center;
  gap: 8px;
}

.toast-action {
  border: 1px solid rgba(255,255,255,0.4);
  background: transparent;
  color: #fff;
  padding: 4px 8px;
  border-radius: 8px;
  font-size: 12px;
}

.ad-banner {
  border-top: 1px solid var(--border);
  background: color-mix(in oklab, var(--card) 92%, transparent);
  backdrop-filter: blur(14px);
  padding: 12px 16px;
  text-align: center;
  position: sticky;
  bottom: 0;
  z-index: 9;
}

.ad-text {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

@media (max-width: 640px) {
  .topbar {
    flex-wrap: wrap;
    row-gap: 8px;
  }
  .topbar-right {
    width: 100%;
    justify-content: space-between;
  }
  .top-nav {
    overflow-x: auto;
  }
  .date-actions {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .date-actions::-webkit-scrollbar { display: none; }
  .date-btn {
    padding: 7px 10px;
    font-size: 12px;
    min-height: 36px;
  }
  .top-register-btn {
    padding: 8px 18px;
    min-height: 38px;
    font-size: 13px;
  }
  .quick-add-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .draft-chips {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .stats-compare-group {
    grid-template-columns: 1fr;
  }
  .premium-chip-row,
  .premium-hero-grid,
  .risk-badge-grid,
  .premium-month-summary,
  .premium-stats-grid {
    grid-template-columns: 1fr;
  }
  .premium-hero-head,
  .section-head-inline,
  .stats-compare-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .compare-day-row {
    grid-template-columns: 1fr;
  }
  .compare-day-value {
    text-align: left;
  }
}

body,
.topbar,
.card,
button,
input,
select,
textarea {
  transition: background-color .22s ease, color .22s ease, border-color .22s ease, box-shadow .22s ease, transform .18s ease;
}

.card {
  animation: cardIn .22s ease;
}

.card:hover {
  transform: translateY(-1px);
}

button:hover {
  transform: translateY(-1px);
}

button:active {
  transform: translateY(0);
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid color-mix(in oklab, var(--primary) 70%, #fff);
  outline-offset: 1px;
}

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes criticalPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.55);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
    transform: scale(1.02);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
    transform: scale(1);
  }
}

@keyframes limitCardPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.18), 0 18px 36px rgba(220, 38, 38, 0.18);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(239, 68, 68, 0), 0 24px 42px rgba(220, 38, 38, 0.26);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0), 0 18px 36px rgba(220, 38, 38, 0.18);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}